Across
- 2. A type of simple machine used to hold two materials together (wood, for example).
- 6. What type of simple machine is an axe?
- 7. Materials that the electric current flows through very easily
- 10. An electric current is a flow of electrical __________
- 11. The place where you connect the cable to the wall
- 12. An oven is a _________ machine.
- 13. A device used for navigation that uses Earth's magnetic field
Down
- 1. An electric circuit can be broken by pressing a ___________
- 2. Pulleys, wheels and inclined planes are ______ machines
- 3. Two positive poles _______ each other
- 4. Materials that electricity doesn't flow through easily
- 5. Magnets have a south and a north _________
- 8. If you put a metallic object in a power outlet, you might get an electric __________
- 9. Some magnetic materials are _______, nickel and cobalt